Finding the Fourth Proportional to 105,852.03, 146,069.21 and 58,105.07

Step by Step Solution

1. Step 1: Write the proportion equation
   105,852.03 : 146,069.21 = 58,105.07 : x
2. Step 2: Convert to fraction form
   105,852.03/146,069.21 = 58,105.07/x
3. Step 3: Cross multiply
   105,852.03x = 146,069.21 × 58,105.07
4. Step 4: Simplify right side
   105,852.03x = 8,487,360,651.02
5. Step 5: Solve for x
   x = 8,487,360,651.02/105,852.03
6. Step 6: Final answer
   x = 80,181.37